US9574529B2 - Cooling system for engine room - Google Patents

Cooling system for engine room Download PDF

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Publication number
US9574529B2
US9574529B2 US14/557,006 US201414557006A US9574529B2 US 9574529 B2 US9574529 B2 US 9574529B2 US 201414557006 A US201414557006 A US 201414557006A US 9574529 B2 US9574529 B2 US 9574529B2
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United States
Prior art keywords
encapsulation
duct
engine
intake
exhaust
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US14/557,006
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US20150330284A1 (en
Inventor
Jongwoo Nam
Hanshin Chung
Joonho Lee
Hyun Cho
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Hyundai Motor Co
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Hyundai Motor Co
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Assigned to HYUNDAI MOTOR COMPANY reassignment HYUNDAI MOTOR COMPANY ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: CHO, HYUN, CHUNG, HANSHIN, LEE, JOONHO, NAM, JONGWOO
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/16—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines characterised by use in vehicles
    • F02M35/161—Arrangement of the air intake system in the engine compartment, e.g. with respect to the bonnet or the vehicle front face
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P1/00—Air cooling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P1/00—Air cooling
    • F01P2001/005—Cooling engine rooms

Definitions

  • the present invention relates to a vehicle engine cooling system and, more particularly, to a vehicle engine cooling system capable of enhancing cooling performance of a vehicle with simple structure.
  • a vehicle is structurally divided into a vehicle body and a chassis.
  • the vehicle body is a part including an engine room and forming an appearance of a vehicle, and, in general, an engine, a transmission, a cooling device, various accessory elements, and the like, are installed in the engine room.
  • the engine room is a space in which an engine heated to have a high temperature during running is installed, and thus, in order to effectively cool the engine and prevent heat damage, optimization of heat flow with respect to an engine room layout needs to be essentially considered at the stage of vehicle development.
  • optimization of heat flow is promoted by improving factors affecting heat flow within an engine room, namely, by increasing a span of left and right side members and a horizontal distance of a strut housing, simplifying and optimally disposing components of an engine room and accessory elements, tilting a cooling fan, optimizing an air guide structure, and the like, through which a certain level of improvement, such as cooling and prevention of heat damage, and the like, is achieved.
  • the related art obtains desired effects of improving cooling performance and efficiency through optimization of a structure and disposition of a cooling module (tilting of a cooling fan, or the like), application of an active air flap, optimization of a disposition and structure of an air guide, and the like, but improvement effects and range thereof in a comprehensive aspect of an engine room are limited and, actually, there is a limitation in distributing heat flow to the right position due to complicated engine room flow characteristics.
  • an engine cover covering an upper portion of an engine is installed in an engine room and an under cover is installed in a lower portion of the engine room in relation to a reduction of noise of a vehicle, but, these are merely related to improvement and optimization of structures or improvement of materials in terms of a reduction in noise, discharge of heat, and the like, with respect to the members, but without a consideration of fuel efficiency, aerodynamics, and the like.
  • An optimization structure for an engine room heat management advanced by optimizing heat flow of an engine room in terms of cooling is required.
  • Various aspects of the present invention are directed to providing a vehicle engine cooling system having advantages of enhancing cooling performance of a vehicle with simple structure.
  • An engine room cooling system may include an encapsulation covering an intake manifold and an exhaust manifold of an engine of a vehicle, a main duct guiding traveling wind flowing into the vehicle to a side of the encapsulation, an encapsulation intake duct branched from the main duct and formed toward the intake manifold within the encapsulation, an encapsulation exhaust duct branched from the main duct and formed toward the exhaust manifold within the encapsulation and an intake duct valve disposed adjacent to the encapsulation intake duct and controlling air flow from the main duct to the encapsulation intake duct or to the encapsulation exhaust duct.
  • the encapsulation intake duct may be disposed to forward of the vehicle comparing to the encapsulation exhaust duct.
  • the engine may be a single intake I type engine and the main duct, the encapsulation intake duct and the encapsulation exhaust duct may be formed to one side of the engine.
  • the engine may be a single intake V type engine and the main duct, the encapsulation intake duct and the encapsulation exhaust duct may be formed to one side of the engine, wherein the system may further include a main duct and an encapsulation exhaust duct which is branched from the main duct and formed toward the exhaust manifold within the encapsulation at the opposite side of the engine.
  • the engine may be a dual intake V type engine, and the main duct, the encapsulation intake duct and the encapsulation exhaust duct may be formed as a pair and disposed to both side of the engine.
  • the system may further include a coolant temperature sensor sensing coolant temperature within the engine and outputting a corresponding signal, a temperature sensor sensing temperature within the encapsulation and outputting a corresponding signal, a speed sensor sensing speed of the vehicle and outputting a corresponding signal and a control portion receiving operation state information of the vehicle including the outputting signals of the coolant temperature sensor, the temperature sensor and the speed sensor, determining whether cooling of the exhaust manifold is required or not, and controlling operations of the intake duct valve for the air to flow toward the encapsulation exhaust duct when cooling of the exhaust manifold is required.
  • the encapsulation intake duct may be connected with an air filter.
  • An engine room cooling system may enhance cooling performance of a vehicle with simple structure.
  • FIG. 1 and FIG. 2 are drawings showing an engine room cooling system according to various exemplary embodiments of the present invention.
  • FIG. 3 and FIG. 4 are drawings showing an engine room cooling system according to various exemplary embodiments of the present invention.
  • FIG. 5 is a block diagram showing an engine room cooling system according to various exemplary embodiments of the present invention.
  • FIG. 6 is a drawing showing an encapsulation which may be apple to an engine room cooling system according to various exemplary embodiments of the present invention.
  • FIG. 6 is a drawing showing an encapsulation which may be applied to an engine room cooling system according to various exemplary embodiments of the present invention.
  • an encapsulation 100 includes an engine room encapsulation member 110 disposed to an upper portion of an engine room and an under body encapsulation member 120 disposed to a lower portion of the engine room.
  • the engine room encapsulation member 110 is an upper shielding element mounted to upper portion of the engine room, covers the engine and a transmission and shields spaces among a front end module 14 disposed to a front part of the vehicle body, a dash panel 11 disposed between the engine room and a cabin and both side members 12 .
  • the engine room encapsulation member 110 includes an upper cover 111 covering upper portion of the engine room and side covers 112 covering side portions of the engine room and the upper cover 111 and the side covers 112 are may be formed integrally.
  • the engine room encapsulation member 110 may include a rear cover covering a rear part of the engine room, and a front part of the engine room encapsulation member 110 is opened to introduce air.
  • the engine room encapsulation member 110 may be mounted to a part of the vehicle body within the engine room or a mounting element fixed to the vehicle body, for example a front part of the upper cover 111 may be mounted to a carrier 13 of the front end module 14 , the side covers 112 may be mounted to sides portion of the vehicle body within the engine room and the side members 12 , and the rear cover may be mounted to the dash panel 11 .
  • the engine room encapsulation member 110 which is mounted as described above, may be manufactured by forming synthetic resin to have a predetermined thickness in order to reduce the weight, and preferably, may be made of a complex material made by reinforcing synthetic resin a reinforcing material, such as glass fiber, for example, PP-GF30 (polypropylene glass fiber).
  • a reinforcing material such as glass fiber, for example, PP-GF30 (polypropylene glass fiber).
  • reference numeral 25 indicates a cooling duct disposed at the front end of the car body and an active air flap (referring to 27 in FIG. 1 to FIG. 4 ) that opens/closes the front inlet of the engine encapsulation structure 100 in response to a control signal of a control unit is disposed in the cooling duct 25 .
  • the underbody encapsulation member 120 may also be fixed to the vehicle body in the engine room or a fixture attached to the car body, in which, for example, sides covers 122 and a lower cover 121 may be formed integrally.
  • FIG. 1 and FIG. 2 are drawings showing an engine room cooling system according to various exemplary embodiments of the present invention.
  • the engine room cooling system includes an encapsulation 100 covering an intake manifold and an exhaust manifold of an engine of a vehicle.
  • the engine room cooling system includes a main duct 30 guiding traveling wind flowing, namely, outside air being supplied to a radiator into the vehicle to a side of the encapsulation 100 , an encapsulation intake duct 50 branched from the main duct 30 and formed toward the intake manifold within the encapsulation 100 , an encapsulation exhaust duct 60 branched from the main duct 30 and formed toward the exhaust manifold within the encapsulation 100 and an intake duct valve 70 disposed adjacent to the encapsulation intake duct 50 and controlling air flow from the main duct 30 to the encapsulation intake duct 50 or to the encapsulation exhaust duct 60 .
  • the encapsulation intake duct 50 is disposed to forward of the vehicle comparing to the encapsulation exhaust duct 60 . That is, since generally, the intake manifold is disposed toward front side of the vehicle, the encapsulation intake duct 50 is disposed in front of the encapsulation exhaust duct 60 .
  • the engine may be a single intake I type engine and the main duct 30 , the encapsulation intake duct 50 and the encapsulation exhaust duct 60 are formed to one side of the engine.
  • the single intake I type engine is equipped with one intake manifold and one exhaust manifold, thus the encapsulation intake duct 50 and the encapsulation exhaust duct 60 are disposed to one side of the engine to introduce air to the intake manifold and the exhaust manifold.
  • the air introduced to the encapsulation intake duct 50 is used for combustion, and the air introduced to the encapsulation exhaust duct 60 is used for cooling the exhaust duct.
  • the encapsulation intake duct 50 may be connected to an air filter 56 or 57 and the air filtered in the air filter 56 or 57 is supplied to the engine.
  • the air filter may be disposed within the encapsulation intake duct 50 referring numeral 56 or may be disposed within the encapsulation 100 referring numeral 57 .
  • a control portion controls the intake duct valve 70 to be opened and air is supplied to the intake manifold and the exhaust manifold and used combustion and cooling. So that fuel consumption in high speed state may be improved.
  • the intake duct valve 70 may be a valve which is operated in accordance with electric signals.
  • the air may pass the active air flap 27 or bypass the active air flap 27 . Also, the air may be introduced to the encapsulation 100 according to the operation of the active air flap 27 .
  • a control portion 200 controls the intake duct valve 70 to be closed and the air is supplied only to the intake manifold.
  • the engine may be a single intake V type engine and the main duct 30 , the encapsulation intake duct 50 and the encapsulation exhaust duct 60 are formed to one side of the engine (left side of the engine in drawing), and the system further includes a main duct 32 and an encapsulation exhaust duct 60 which is branched from the main duct 30 and formed toward the exhaust manifold within an encapsulation 101 at the opposite side of the engine.
  • the single intake V type engine is equipped with one intake manifold and two exhaust manifold. A structure and an operation are obvious to a person skilled in the art, and thus detailed description will be omitted.
  • two intake duct valves 70 and 72 are disposed for introducing the air in the main ducts 30 and 32 to the encapsulation intake ducts 50 and 52 .
  • the engine may be a dual intake V type engine, and the main ducts 30 , the encapsulation intake ducts 50 and the encapsulation exhaust ducts 60 are formed as a pair and disposed to both side of an encapsulation 102 .
  • the dual intake V type engine is equipped with two intake manifold and two exhaust manifold. A structure and an operation are obvious to a person skilled in the art, and thus detailed description will be omitted.
  • two intake duct valves 70 are disposed for introducing the air in the main ducts 30 to the encapsulation intake ducts 50 .
  • Operations of the intake duct valves 70 are the same as described about the intake duct valve 70 referring to FIG. 1 and FIG. 2 , and thus repeated description will be omitted.
  • FIG. 5 is a block diagram showing an engine room cooling system according to various exemplary embodiments of the present invention.
  • the engine room cooling system includes a coolant temperature sensor 31 sensing coolant temperature within the engine and outputting a corresponding signal, a temperature sensor 36 sensing temperature within the encapsulation 100 and outputting a corresponding signal, a speed sensor 34 sensing speed of the vehicle and outputting a corresponding signal and the control portion 200 receiving operation state information of the vehicle including the outputting signals of the coolant temperature sensor 31 , the temperature sensor 36 and the speed sensor 34 , determining whether cooling of the exhaust manifold is required or not, and controlling operations of the intake duct valve 70 for the air to flow toward the encapsulation exhaust duct when cooling of the exhaust manifold is required.
  • the air may be used for cooling the exhaust manifold as well as for combustion. So operation time of a cooling fan may be reduced and fuel consumption may be improved.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
  • Exhaust Silencers (AREA)
US14/557,006 2014-05-13 2014-12-01 Cooling system for engine room Active 2035-04-27 US9574529B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2014-0057017 2014-05-13
KR1020140057017A KR20150130013A (ko) 2014-05-13 2014-05-13 엔진 룸 쿨링 시스템

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US20150330284A1 US20150330284A1 (en) 2015-11-19
US9574529B2 true US9574529B2 (en) 2017-02-21

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US (1) US9574529B2 (ko)
KR (1) KR20150130013A (ko)
CN (1) CN105082982B (ko)
DE (1) DE102014117677B4 (ko)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20190061460A1 (en) * 2017-08-22 2019-02-28 Mazda Motor Corporation Engine heat retention structure
US10344663B2 (en) * 2016-03-30 2019-07-09 Hyundai Motor Company Control system of flowing air into vehicle engine room and method for the same

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10024279B2 (en) * 2015-04-08 2018-07-17 Hyundai Motor Company Apparatus for improving cooling efficiency of engine room in vehicle
JP6526741B2 (ja) * 2017-06-14 2019-06-05 本田技研工業株式会社 車両の吸気構造
JP7316510B2 (ja) * 2019-07-25 2023-07-28 マツダ株式会社 エンジンの吸気装置
KR102189515B1 (ko) * 2019-11-28 2020-12-11 오수환 그랩 장비용 엔진룸
CN115539191A (zh) * 2022-08-29 2022-12-30 山东速力动力科技有限公司 一种内燃机用可进行空气循环的进气冷却装置

Citations (9)

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US2585083A (en) * 1949-03-07 1952-02-12 Le Roi Company Cooling system for v-engines
US3186394A (en) * 1963-11-13 1965-06-01 Ramun Michael Air supply for internal combustion engines
JP2002097952A (ja) * 2000-09-22 2002-04-05 Aisin Seiki Co Ltd 車両用排気マニホールド装置
KR20050044025A (ko) 2003-11-07 2005-05-12 현대자동차주식회사 엔진 배기계 냉각을 위한 에어 가이드의 구조
KR20070109491A (ko) 2006-05-11 2007-11-15 현대자동차주식회사 차량의 엔진 냉각 시스템
KR20110055276A (ko) 2009-11-19 2011-05-25 현대자동차주식회사 엔진의 가변 흡기 덕트 구조
KR20110080037A (ko) 2010-01-04 2011-07-12 한라공조주식회사 액티브 에어 플랩
US8181728B2 (en) * 2008-04-17 2012-05-22 Mj Acquisitions, Inc. Automotive vehicle engine apparatus
KR20130063663A (ko) 2011-12-07 2013-06-17 현대자동차주식회사 차량의 엔진 인캡슐레이션 구조물

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AT388533B (de) 1983-04-08 1989-07-25 Avl Verbrennungskraft Messtech Kraftfahrzeug
JPH11294280A (ja) 1998-04-13 1999-10-26 Honda Motor Co Ltd エンジンの吸気装置
US20080168770A1 (en) * 2007-01-16 2008-07-17 Mahesh Mokire Cooling system for an engine having high pressure EGR and machine using same
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KR20120045899A (ko) * 2010-11-01 2012-05-09 현대자동차주식회사 차량의 배기계 냉각장치
KR101231539B1 (ko) * 2011-03-10 2013-02-07 기아자동차주식회사 주행풍유도덕트 및 이를 적용한 엔진룸구조
KR101963207B1 (ko) 2012-11-02 2019-07-31 삼성전자주식회사 단말기의 동작제어 장치 및 방법

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2585083A (en) * 1949-03-07 1952-02-12 Le Roi Company Cooling system for v-engines
US3186394A (en) * 1963-11-13 1965-06-01 Ramun Michael Air supply for internal combustion engines
JP2002097952A (ja) * 2000-09-22 2002-04-05 Aisin Seiki Co Ltd 車両用排気マニホールド装置
KR20050044025A (ko) 2003-11-07 2005-05-12 현대자동차주식회사 엔진 배기계 냉각을 위한 에어 가이드의 구조
KR20070109491A (ko) 2006-05-11 2007-11-15 현대자동차주식회사 차량의 엔진 냉각 시스템
US8181728B2 (en) * 2008-04-17 2012-05-22 Mj Acquisitions, Inc. Automotive vehicle engine apparatus
KR20110055276A (ko) 2009-11-19 2011-05-25 현대자동차주식회사 엔진의 가변 흡기 덕트 구조
KR20110080037A (ko) 2010-01-04 2011-07-12 한라공조주식회사 액티브 에어 플랩
KR20130063663A (ko) 2011-12-07 2013-06-17 현대자동차주식회사 차량의 엔진 인캡슐레이션 구조물

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10344663B2 (en) * 2016-03-30 2019-07-09 Hyundai Motor Company Control system of flowing air into vehicle engine room and method for the same
US20190061460A1 (en) * 2017-08-22 2019-02-28 Mazda Motor Corporation Engine heat retention structure
US10688844B2 (en) * 2017-08-22 2020-06-23 Mazda Motor Corporation Engine heat retention structure

Also Published As

Publication number Publication date
CN105082982A (zh) 2015-11-25
US20150330284A1 (en) 2015-11-19
DE102014117677A1 (de) 2015-11-19
CN105082982B (zh) 2018-12-21
DE102014117677B4 (de) 2022-09-01
KR20150130013A (ko) 2015-11-23

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